Home / 451,238.40-622,665.60-269,913.60

Finding the Fourth Proportional to 451,238.40, 622,665.60 and 269,913.60

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Solution

The fourth proportional to 451,238.40, 622,665.60 and 269,913.60 is: 372,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,238.40 : 622,665.60 = 269,913.60 : x
  2. Step 2: Convert to fraction form
    451,238.40/622,665.60 = 269,913.60/x
  3. Step 3: Cross multiply
    451,238.40x = 622,665.60 × 269,913.60
  4. Step 4: Simplify right side
    451,238.40x = 168,065,913,692.16
  5. Step 5: Solve for x
    x = 168,065,913,692.16/451,238.40
  6. Step 6: Final answer
    x = 372,454.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.